A British mechanical giraffe evaded American secret services, infiltrated the White House and got close enough to Barack Obama to bite his head off.
The robotic beast narrowly avoided sparking World War III after appearing at an event in the White House intended to show off the work of American "makers".
The President was …

Secret service

The agent in the background is mopping his brow and shifting nervously from side to side. I think he realizes that if the giraffe suddenly made a move to attack the president, there isn't much he could do to save him.

He's probably thinking "I thought being on the POTUS detail was going to be glamorous and prestigious, instead I'm watching him pet a giant robot giraffe with a British accent!"